Yealink SIP-T33P Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
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IP Phone Model Firmware Name Example
CP920 78.x.x.x.rom 78.84.0.80.rom
Firmware Upgrade Configuration
Before upgrading firmware, you need to know the following:
l Do not close and refresh the browser when the device is upgrading firmware via the web user interface.
l Do not unplug the network cables and power cables when the device is upgrading firmware.
The following table lists the parameters you can use to upgrade firmware.
Parameter
static.firmware.url <y0000000000xx>.cfg
Description
It configures the access URL of the firmware file.
Permitted
Values
URL within 511 characters
Default
Blank
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Settings > Upgrade > Upgrade Firmware
Other Phones:
Settings > Upgrade > Select And Upgrade Firmware

Yealink SIP-T33P Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Wall mountable	Yes
Operating system installed	Linux
Lines quantity	4 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	4
Volume control	Buttons
Number of function keys	5
Display diagonal	2.4 \
Display resolution	320 x 240 pixels
Voice codecs	AGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729, G.729A, PLC, VAD, iLBC
Security algorithms	AES, HTTPS
Ethernet LAN data rates	10, 100 Mbit/s
Ethernet LAN interface type	Fast Ethernet
RJ-9 ports quantity	1
Ethernet LAN (RJ-45) ports	2
Input frequency	50/60 Hz
AC adapter input voltage	100 - 240 V
Power consumption (typical)	3 W
Power consumption (Power over Ethernet (PoE))	5 W
Number of handles included	1 pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	186 mm
Width	212 mm
Height	146 mm